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Finding the Fourth Proportional to 6,662.81, 9,995.30 and 3,374.57

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Solution

The fourth proportional to 6,662.81, 9,995.30 and 3,374.57 is: 5,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.81 : 9,995.30 = 3,374.57 : x
  2. Step 2: Convert to fraction form
    6,662.81/9,995.30 = 3,374.57/x
  3. Step 3: Cross multiply
    6,662.81x = 9,995.30 × 3,374.57
  4. Step 4: Simplify right side
    6,662.81x = 33,729,839.52
  5. Step 5: Solve for x
    x = 33,729,839.52/6,662.81
  6. Step 6: Final answer
    x = 5,062.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.